US4655487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Garage door bolt with stationary protective cover
Assignee: Korn Enterprises
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Filing: 1985-11-04
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Granted: 1987-04-07
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Expires: 2005-11-04
Abstract
Abstract A sliding bolt with stationary safety cover for mounting on a door and for locking with a padlock having a bale portion and including the following structure. A back plate for mounting on the door. An upper pair of flange members extending outwardly from the back plate and with each upper flange member including a first opening. A sliding bolt passing through and guided by the first openings in the upper pair of flange members. A lower pair of flange members extending outwardly from the back plate and with each lower flange member including a second opening for receiving the bale portion of the padlock. A handle and locking member attached to the sliding bolt and including a first upwardly extending portion forming a handle for sliding the bolt within the first openings in the upper pair of flange members and including a second downwardly extending portion located between the lower pair of flange members. The handle and locking member having a third opening corresponding to the second openings in the lower pair of flange members and with the third opening in association with either one of the second opening for receiving the bale portion of the padlock to lock the sliding bolt in either of two positions. A stationary safety cover attached across the front of and spaced from the back plate to enclose the sliding bolt, the upper and lower pairs of flanges and the downwardly extending portion of the handle and locking member.
Inventors
- 👤 Julius A. Korn
- 👤 Charles H. Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:59
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/04; E05B; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/498; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5314
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
248 words
A sliding bolt with stationary safety cover for mounting on a door and for locking with a padlock having a bale portion, including a back plate including means for mounting the back plate on the door, an upper pair of flange members extending outwardly from the back plate and with each upper flange member including a first opening, a sliding bolt passing through and guided by the first openings in the upper pair of flange members, a lower pair of flange members extending outwardly from the back plate and with each lower flange member including a second opening for receiving the bale portion of the padlock, a handle and locking member attached to the sliding bolt and including a first upwardly extending portion forming a handle for sliding the bolt within the first openings in the upper pair of flange members and including a second downwardly extending portion located between the lower pair of flange members, the handle and locking member having a third opening corresponding to the second openings in the lower pair of flange members and with the third opening in association with either one of the second opening for receiving the bale portion of the padlock to lock the sliding bolt in either of two positions, and a stationary safety cover attached across the front of and spaced from the back plate to enclose the sliding bolt, the upper and lower pairs of flanges and the downwardly extending portion of the handle and locking member.
Claim 2
Dependent Claim
248 words
A sliding bolt with stationary safety cover for mounting on a door and for locking with a padlock having a bale portion, including a back plate including means for mounting the back plate on the door, an upper pair of flange members extending outwardly from the back plate and with each upper flange member including a first opening, a sliding bolt passing through and guided by the first openings in the upper pair of flange members, a lower pair of flange members extending outwardly from the back plate and with each lower flange member including a second opening for receiving the bale portion of the padlock, a handle and locking member attached to the sliding bolt and including a first upwardly extending portion forming a handle for sliding the bolt within the first openings in the upper pair of flange members and including a second downwardly extending portion located between the lower pair of flange members, the handle and locking member having a third opening corresponding to the second openings in the lower pair of flange members and with the third opening in association with either one of the second opening for receiving the bale portion of the padlock to lock the sliding bolt in either of two positions, and a stationary safety cover attached across the front of and spaced from the back plate to enclose the sliding bolt, the upper and lower pairs of flanges and the downwardly extending portion of the handle and locking member.
Claim 3
Dependent Claim
73 words
The sliding bolt with stationary safety cover of claim 1 wherein the means for mounting the back plate on the door includes at least one bolt having an enlarged head and also including an opening in the back plate of a size to pass the bolt but not the enlarged head and additionally including a complementary opening in the stationary cover of a size to pass both the bolt and the enlarged head.
Claim 4
Dependent Claim
55 words
The sliding bolt with stationary safety cover of claim 1 wherein the handle and locking member is formed as an elongated flat plate having an opening to receive the sliding bolt and extending upwardly and downwardly from the bolt and with the flat plate attached to the sliding bolt by at least one weld joint.
Claim 5
Dependent Claim
52 words
The sliding bolt with stationary safety cover of claim 3 wherein the upwardly extending portion of the flat plate is shaped to form the handle and the downwardly extending portion is relieved at at least one area to pass the means for mounting as the bolt is slid between the two positions.
Claim 6
Dependent Claim
36 words
The sliding bolt with stationary safety cover of claim 1 wherein the safety cover has a bottom portion bent outward away from the back plate to allow the padlock to be rotated outward about the bale.
Claim 7
Dependent Claim
52 words
The sliding bolt with stationary safety cover of claim 1 wherein the safety cover has a top portion bent toward the back plate to partially cover the top of the bolt and to guide the handle portion of the handle and locking member as the bolt is slid between the two positions.
Claim 8
Dependent Claim
41 words
The sliding bolt with stationary safety cover of claim 1 wherein the cover is attached across the front of the back plate by at least one weld joint between the cover and at least one flange of the pairs of flanges.
Claim 9
Dependent Claim
32 words
The sliding bolt with stationary safety cover of claim 7 wherein the cover is attached by weld joints between the cover and all four of the flanges forming the pairs of flanges.
Claim 10
Independent Claim
167 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a downwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and means for mounting the back plate on a door and including at least one bolt having an enlarged head and also including an opening in the back plate of a size to pass the bolt but not the enlarged head and additionally including a complementary opening in the front plate of a size to pass both the bolt and the enlarged head.
Claim 11
Independent Claim
167 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a downwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and means for mounting the back plate on a door and including at least one bolt having an enlarged head and also including an opening in the back plate of a size to pass the bolt but not the enlarged head and additionally including a complementary opening in the front plate of a size to pass both the bolt and the enlarged head.
Claim 12
Independent Claim
146 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a downwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and the locking memaber formed as an elongated flat plate having an opening to receive the sliding bost and extending upwardly and downwardly from the bolt and with the flat plate attached to the sliding bolt by at least one weld joint.
Claim 13
Independent Claim
146 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a downwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and the locking memaber formed as an elongated flat plate having an opening to receive the sliding bost and extending upwardly and downwardly from the bolt and with the flat plate attached to the sliding bolt by at least one weld joint.
Claim 14
Dependent Claim
20 words
The apparatus of claim 10 wherein the upwardly extending portion of the flat plate is shaped to form a handle.
Claim 15
Independent Claim
140 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a dowwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and the front plate having a top portion bent toward the back plate to partially cover the top of the bolt and to guide the locking member as the bolt is slid between the two positions.
Claim 16
Independent Claim
140 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a dowwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and the front plate having a top portion bent toward the back plate to partially cover the top of the bolt and to guide the locking member as the bolt is slid between the two positions.
Claim 17
Dependent Claim
31 words
The apparatus of claim 12 wherein the front plate has a bottom portion bent outward away from the back plate to allow a padlock to be rotated outward about its hole.
Claim 18
Independent Claim
130 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a downwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and the front plate attached across the front of the back plate by at least one weld joint between the cover and at least one flange.
Claim 19
Independent Claim
130 words
An apparatus providing a sliding bolt, including an open metal box structure including a back plate, a front plate and side flanges, an upper portion of each of the side flanges including a first opening, a lower portion of each of the side flanges including a second opening, a sliding bolt located within the metal box and positioned within and extending through the first openings, a locking member located within the metal box and attached perpendicularly to the sliding bolt and including a downwardly extending portion having a third opening to line up with either one of the second openings in the side flanges, and the front plate attached across the front of the back plate by at least one weld joint between the cover and at least one flange.
Claim 20
Dependent Claim
22 words
The apparatus of claim 14 wherein the front plate is attached by weld joints between the cover and all of the flanges.
References Cited (Backward Citations)
US3953062A
Cited
US4437692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-06 | 1990-10-06 | 1991-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-06 | 1994-10-06 | 1995-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-06 | 1998-10-06 | 1999-04-07 | $7700.00 | Window Closed / Lapsed |